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Open Access item Cd110,116(α,α)Cd110,116 elastic scattering and systematic investigation of elastic α scattering cross sections along the Z=48 isotopic and N=62 isotonic chains

Authors:Kiss, G.G.
Mohr, P.
Fülöp, Z.
Gyürky, G.
Elekes, Z.
Farkas, J.
Somorjai, E.
Yalcin, C.
Galaviz, Daniel
Güray, R.T.
Ã-Zkan, N.
Görres, J.
Issue Date:2011
Publisher:American Physical Society
Citation:Physical Review C - Nuclear Physics 83 (2011)
Abstract:The elastic scattering cross sections for the reactions Cd110,116(α,α)Cd110,116 at energies above and below the Coulomb barrier are presented to provide a sensitive test for the α-nucleus optical potential parameter sets. Additional constraints for the optical potential are taken from the analysis of elastic scattering excitation functions at backward angles which are available in literature. Moreover, the variation of the elastic α scattering cross sections along the Z=48 isotopic and N=62 isotonic chain is investigated by the study of the ratios of the Cd106,110,116(α,α)Cd106,110,116 scattering cross sections at E cm15.6and18.8 MeV and the ratio of the Cd110(α,α)Cd110 and Sn112(α,α)Sn112 reaction cross sections at Ecm18.8 MeV, respectively. These ratios are sensitive probes for the α-nucleus optical potential parametrizations. The potentials under study are a basic prerequisite for the prediction of α-induced reaction cross sections (e.g., for the calculation of stellar reaction rates in the astrophysical p or γ process). © 2011 American Physical Society.
URI:http://hdl.handle.net/10261/62029
Identifiers:doi: 10.1103/PhysRevC.83.065807
issn: 0556-2813
Appears in Collections:(CFMAC-IEM) Artículos

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